CRASIS is a playable word

crasis Scrabble® Dictionary

noun
pl. crases
a vowel contraction
41 Playable Words can be made from "CRASIS"
   2-Letter Words (5 found)
   3-Letter Words (15 found)
   4-Letter Words (14 found)
   5-Letter Words (5 found)
   6-Letter Words (2 found)